138757160

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3209}}^1$

素因数の和:3290

約数の個数: 64

約数和(自身を含む): 332812800

約数和(自身を除く): 194055640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 920, 940, 1081, 1880, 2162, 3209, 4324, 5405, 6418, 8648, 10810, 12836, 16045, 21620, 25672, 32090, 43240, 64180, 73807, 128360, 147614, 150823, 295228, 301646, 369035, 590456, 603292, 738070, 754115, 1206584, 1476140, 1508230, 2952280, 3016460, 3468929, 6032920, 6937858, 13875716, 17344645, 27751432, 34689290, 69378580, 138757160]

約数ペア:

[(1, 138757160), (2, 69378580), (4, 34689290), (5, 27751432), (8, 17344645), (10, 13875716), (20, 6937858), (23, 6032920), (40, 3468929), (46, 3016460), (47, 2952280), (92, 1508230), (94, 1476140), (115, 1206584), (184, 754115), (188, 738070), (230, 603292), (235, 590456), (376, 369035), (460, 301646), (470, 295228), (920, 150823), (940, 147614), (1081, 128360), (1880, 73807), (2162, 64180), (3209, 43240), (4324, 32090), (5405, 25672), (6418, 21620), (8648, 16045), (10810, 12836)]